R5F21266SDFP#U0 Renesas Electronics America, R5F21266SDFP#U0 Datasheet - Page 184
R5F21266SDFP#U0
Manufacturer Part Number
R5F21266SDFP#U0
Description
IC R8C/26 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/26r
Datasheet
1.R5F21272SDFPU0.pdf
(487 pages)
Specifications of R5F21266SDFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
25
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
For Use With
R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21266SDFP#U0R5F21266SDFP#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 14.17
When the TWRC bit is set to 0 (write to reload register and counter)
When the TWRC bit is set to 1 (write to reload register only)
The above applies under the following conditions.
Both bits TSTART and TCSTF in the TRBCR register are set to 1 (During count).
Counter of timer RB
Reloads register of
Reloads register of
Counter of timer RB
timer RB prescaler
timer RB prescaler
Reloads register of
Reloads register of
timer RB prescaler
timer RB prescaler
IR bit in TRBIC
Sep 26, 2008
IR bit in TRBIC
Count source
Count source
Counter of
Set 01h to the TRBPRE register and 25h to
the TRBPR register by a program.
Set 01h to the TRBPRE register and 25h to
the TRBPR register by a program.
Counter of
timer RB
timer RB
register
register
Operation
Operating Example of Timer RB when Counter Value is Rewritten during Count
0
0
Previous value
Previous value
06h
06h
Page 165 of 453
05h
05h
Previous value
After writing, the reload register is
written with the first count source.
After writing, the reload register is
written with the first count source.
03h
04h
04h
Previous value
01h
03h
03h
Reload with
the second
count source
The IR bit remains unchanged until underflow
is generated by a new value.
02h
00h
After writing, the reload register is
written on the first underflow.
01h
Reload on
underflow
01h
02h
New value (01h)
00h
00h
01h
01h
New value (01h)
Reload on the second
underflow
Only the prescaler values are updated,
extending the duration until timer RB underflow.
Reload on
underflow
New value (25h)
25h
02h
00h
00h
After writing, the reload register is
written on the first underflow.
01h
01h
24h
01h
New value (25h)
00h
00h
01h
00h
00h
01h
Reload on
underflow
25h
14. Timers
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